VEXpro 35 Chain Hub Sprockets 1/2in. Bore
- VEXpro 217-5843, Sprockets are profiled wheels with teeth that mesh with chain to transfer motion. This VEXpro 35 chain hub sprocket is custom manufactured from 4140 steel with a black nitride finish. VEXpro 217-5843 35 Chain 12t Steel Hub Sprocket 1/2" Hex Bore